421413441 has 8 divisors (see below), whose sum is σ = 572486400. Its totient is φ = 275641392.

The previous prime is 421413439. The next prime is 421413463. The reversal of 421413441 is 144314124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421413441 - 2¹ = 421413439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421413491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325041 + ... + 1325358.

It is an arithmetic number, because the mean of its divisors is an integer number (71560800).

Almost surely, 2^421413441 is an apocalyptic number.

It is an amenable number.

421413441 is a deficient number, since it is larger than the sum of its proper divisors (151072959).

421413441 is a wasteful number, since it uses less digits than its factorization.

421413441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650455.

The product of its digits is 1536, while the sum is 24.

The square root of 421413441 is about 20528.3569970906. The cubic root of 421413441 is about 749.7263837466.

Adding to 421413441 its reverse (144314124), we get a palindrome (565727565).

The spelling of 421413441 in words is "four hundred twenty-one million, four hundred thirteen thousand, four hundred forty-one".